1. (noun)hee-haw, horselaugh, ha-ha, haw-haw a loud laugh that sounds like a horse neighing Synonyms: haw-haw, horselaugh, hee-haw, sunk fence, ha-ha
2. (noun)sunk fence, ha-ha, haw-haw a ditch with one side being a retaining wall; used to divide lands without defacing the landscape Synonyms: haw-haw, horselaugh, hee-haw, sunk fence, ha-ha